自己做的挡土墙的ansys模型

自己做了个挡土墙的ansys模型，大家给看看哪里有毛病，谢谢

/prep7

*SET,qk,1E5

et,1,plane82,,,2

et,2,conta172

et,3,targe169

mp,ex,1,1.9E10

mp,prxy,1,0.35

mp,dens,1,2500

mp,ex,2,2.6E7

mp,prxy,2,0.32

mp,dens,2,1700

tb,dp,2

tbdata,,0,30,30

mp,mu,3,0

mp,mu,4,0.45

r,1

r,2

r,3

r,4

r,5

k,1

k,2,0.15

k,3,0.15,3.2

k,4,0,3.2

*DO,I,1,3

L,I,I+1

*ENDDO

L,1,4

Al,all

CM,WALL,AREA

WPCSYS,-1

MSHKEY,1

ESIZE,0.05

AATT,1,1,1

AMESH,ALL

KSEL,NONE

LSEL,NONE

ASEL,NONE

土体结构定义和网格划分：

K,5

K,6,0.15,0

K,7,0.15,3.2

K,8,6,3.2

K,9,6,-6

K,10,-6,-6

K,11,-6,0

*DO,I,5,10

L,I,I+1

*ENDDO

L,11,5

AL,ALL

KWPAVE,6

WPROTA,,,90

ASBW,ALL

KWPAVE,5

ASBW,ALL

WPROTA,,90

ASBW,ALL

WPCSYS,-1

CM,SOIL,AREA

AATT,2,2,1

ESIZE,0.1

*SET,SR,5

LSEL,S,LENGTH,,6

LSEL,S,,,9,12,3

LESIZE,ALL,0.1,,,SR

LSEL,S,,,10,18,8

LESIZE,ALL,0.1,,,1/SR

LSEL,S,,,11,16,5

LESIZE,ALL,0.1,,,1/SR

LSEL,S,,,7,14,7

LESIZE,ALL,0.1,,,1/SR

LSEL,ALL

AMESH,ALL

ALLSEL,ALL

LSEL,S,,,2

NSLL,S,1

TYPE,3

REAL,3

ESURF

LSEL,S,,,6

NSLL,S,1

TYPE,2

REAL,3

MAT,3

ESURF

LSEL,S,,,1

NSLL,S,1

TYPE,3

REAL,3

ESURF

LSEL,S,,,5

NSLL,S,1

TYPE,2

REAL,3

MAT,3

ESURF

ALLSEL,ALL

LSEL,S,LOC,X,-6

LSEL,A,LOC,X,6

DL,ALL,,ALL

LSEL,S,LOC,Y,-6

DL,ALL,,ALL

LSEL,S,,,7

SFL,ALL,PRES,QK

ALLSEL,ALL

Finish

/SOL

ANTYPE,STATIC

NLGEOM,ON

AUTOTS,ON

ACEL,,9.8

! TINE,1

TIME,1

NSUBST,50

OUTRES,ALL,ALL

SOLVE

FINISH

/POST1

SET,LAST